UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-CSR CERTIFIED SHAREHOLDER REPORT OF REGISTERED MANAGEMENT INVESTMENT COMPANIES Investment Company Act file number 811-6465 THE TRAVELERS SERIES TRUST (Exact name of registrant as specified in charter) 125 Broad Street, New York, NY 10004 (Address of principal executive offices) (Zip code) Christina T. Sydor, Esq. Smith Barney Fund Management LLC 300 First Stamford Place Stamford, CT 06902 (Name and address of agent for service) Registrant's telephone number, including area code: (800) 451-2010 Date of fiscal year end: DECEMBER 31 Date of reporting period: JUNE 30, 2003